[vtkusers] Filter to set the slice distance in a 3D rendered volume

Daniela Sacchetto danysunflower at hotmail.it
Tue Jun 1 03:47:40 EDT 2010

Ok, sorry,  I'll try to explain in an other way...
I have a 3D rendered volume that is ok but its Z dimension is too little....I would like to set the Z dimenmsion (for example setting the pixels or slices distance)...
I know that there is a Itk method (ImageType::SpacingType) that allows to set the pixels distance....Is there a VTK method that allows to render my image with a note distance in Z direction?

I hope that now you could understand better my problem...

> Date: Mon, 31 May 2010 17:22:38 -0400
> Subject: Re: [vtkusers] Filter to set the slice distance in a 3D rendered 	volume
> From: daviddoria+vtk at gmail.com
> To: danysunflower at hotmail.it
> CC: vtkusers at vtk.org
> On Mon, May 31, 2010 at 5:08 PM, Daniela Sacchetto
> <danysunflower at hotmail.it> wrote:
> > Hi everyone
> > I'm new in vtk and I'm trying to do a work for my thesis.
> >
> > I have to improve a code that gives a 3D volume from 2D slices (.jpg or
> > other formats).
> > My code has to be improved because the 3D visualized with VTK (I'm using
> > vtkVolumeRayCastCompositeFunction) is too "slim": I would like to modifie
> > the Z dimension.
> > Have anyone found this problem yet? Could anyone suggest me a VTK method or
> > class that do something similar?
> >
> > Regards
> > Daniela
> I don't know what you mean by "slim". Can you give us a sample data
> set or a screenshot of what you have and an explanation of what is
> wrong?
> You may want to look into the Marching Cubes algorithm:
> http://www.vtk.org/Wiki/VTK/Examples/Medical/GenerateModelsFromLabels
> Good luck,
> David
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